A.O. Smith HPTU-80N 80 Gallon Hybrid Electric Heat Pump Water Heater 4.5 kW

A.O. Smith · HMIs & Displays

Description  The A.O. Smith HPTU-80N is an 80-gallon hybrid electric heat pump water heater designed for energy-efficient residential hot water production. With a 4.5 kW heating capacity and support for 208/240V power, it combines heat pump technology with electric elements to improve performance across multiple operating modes. The HPTU-80N provides consistent hot water delivery while reducing energy consumption through optimized hybrid operation.     Technical Specifications Condition New/Never Used Surplus Brand A.O. Smith Category Plumbing Part Number HPTU-80N Fuel Type Electric Capacity 80 gallons Kilowatts (kW) 4.5 kW Voltage 208/240 V Phase 1 Number of Elements 2 Anode Rod Type Aluminum (CoreGard dual anodes) Maximum Pressure 150 PSI Hybrid Mode 1st Hour Rating 95 gallons Efficiency Mode 1st Hour Rating 76.3 gallons Electric Mode 1st Hour Rating 90.1 gallons Energy Factor (Hybrid) 3.06 Energy Factor (Efficiency) 3.27 Energy Factor (Electric) 0.92 Refrigerant Type R-134A Energy Star Rated Yes Diameter 27 in Height 69 in Operating Modes Efficiency, Hybrid, Electric, Vacation Control System Electronic interface with diagnostics Installation Location Ideal for basements and garages Protection Features Dry fire protection, dual anodes Air Filter Washable and removable for routine cleaning       Information About HPTU-80N The HPTU-80N is part of A.O. Smith’s Voltex hybrid heat pump water heater series, developed to deliver high-efficiency water heating through integrated heat pump and electric element technology. Its tall 80-gallon design incorporates a top-mounted heat pump assembly, dual heating elements, and advanced controls that support several operating modes for maximum flexibility. The unit integrates seamlessly into residential plumbing and electrical systems, operating on single-phase 208/240V power while maintaining high first-hour ratings across hybrid, efficiency, and electric modes. Typical applications include home hot water systems where reduced energy cost, high capacity, and dependable performance are essential. Key Features: 80-gallon capacity: Provides high hot water volume for residential use. Hybrid heat pump design: Captures ambient heat for efficient water heating. Multiple operating modes: Efficiency, Hybrid, Electric, and Vacation settings. 4.5 kW heating capability: Dual elements support demand recovery. Energy-efficient performance: Energy Factor up to 3.27 depending on mode. R-134A refrigerant: Environmentally friendly heat pump operation. Electronic user interface: Offers temperature control, diagnostics, and mode selection. Protective anode system: Aluminum CoreGard dual anodes extend tank life. The HPTU-80N delivers the reliability and precision required for high-efficiency residential water heating.

Brand: A.O. Smith · Category: HMIs & Displays

Key features

• 80-gallon capacity: Provides high hot water volume for residential use.
• Hybrid heat pump design: Captures ambient heat for efficient water heating.
• Multiple operating modes: Efficiency, Hybrid, Electric, and Vacation settings.
• 4.5 kW heating capability: Dual elements support demand recovery.
• Energy-efficient performance: Energy Factor up to 3.27 depending on mode.
• R-134A refrigerant: Environmentally friendly heat pump operation.
• Electronic user interface: Offers temperature control, diagnostics, and mode selection.
• Protective anode system: Aluminum CoreGard dual anodes extend tank life.

Specifications

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